Home / 5,417.60-7,482.42-3,646.13

Finding the Fourth Proportional to 5,417.60, 7,482.42 and 3,646.13

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Solution

The fourth proportional to 5,417.60, 7,482.42 and 3,646.13 is: 5,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.60 : 7,482.42 = 3,646.13 : x
  2. Step 2: Convert to fraction form
    5,417.60/7,482.42 = 3,646.13/x
  3. Step 3: Cross multiply
    5,417.60x = 7,482.42 × 3,646.13
  4. Step 4: Simplify right side
    5,417.60x = 27,281,838.62
  5. Step 5: Solve for x
    x = 27,281,838.62/5,417.60
  6. Step 6: Final answer
    x = 5,035.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.